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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 15102 · alive · Condition: fair · LC · Least Concern · Elevation: 28.0 m

Photos

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trunk branches leaf

Dimensions

11.53 mHeight
3.33 mTrunk height
51 cmTrunk diameter (DBH)
8.15 mCanopy height
8.16 mCanopy width
25.68 mCanopy circumference
50.67 m²Crown projection area
263.68 m³Crown volume
1Stems

Structure & risk

22.64Slenderness (H/D)
4.69Safety factor (default wind)
7.01 °Leaning angle
1.63 °Trunk lean angle
0Competition index
6.11 mTree protection zone
9.17 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
mediumVitality
matureAge class
moderately defoliatedCrown transparency
35.47 %Foliage transparency
0 %Dieback
62.86 %Crown density
100 %Crown light exposure ratio
70.72 %Live crown ratio
267.57 m²Leaf area
5.29Leaf area index (LAI)
1.02Leaf area / crown vol.

Ecosystem services

528.3 kgCarbon storage
56.7 kgCarbon sequestration / yr
149.84 kgOxygen production / yr
0.15 m³Avoided runoff
2.52 m³Water intercepted
2.97 m³Transpiration
2.51 m³Evaporation
15.45 m³Potential evapotranspiration
5.6 gCO removed / yr
22.1 gNO₂ removed / yr
47.69 gSO₂ removed / yr
13.91 gPM2.5 removed / yr
266.38 gO₃ removed / yr

Data quality

0Outlier index

Surroundings

noneOverhead utilities

Amenity valuation

8947.2CAVAT value
21590.93Koch value
2380.79RADO value

Other

2026-04-24G u fextracted_change date
06:02:15G u fextracted_change time
145G u fextracted_critical wind speed
2025-06-15G u fextracted_inv date
Jalan P2 D G u fextracted_street
7001G u fextracted_taxon i d
3.38Crown base height
11.53Live height

Clearances

ConflictRoad clearance
4.61 mRoad clearance — minimum height
0 mRoad clearance — minimum distance
0.06 m³Road clearance — conflict volume
0.33Road clearance — conflict volume ratio

Not provided Catalogued metrics with no value for this tree — measured, derived or analysed alike. Listed rather than hidden so absence is visible instead of inferred.

Girth — the survey did not record which measurements were availableGrowth formCrown light exposure — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P2 D · 2.925455, 101.685812 · Elevation 28.0 m